reset
set term win
cd 'D:\Mars\trunk\output'

set polar
set angles degrees

set xlabel "x"
set ylabel "y"
#set ylabel "y" rotate
set xrange [-256:256]
set yrange [-256:256]
     
plot "ultra.dat" using 1:2 lt rgb "black" title "Data" with impulses
      
pause -1

set term png enhanced size 800,500 font "arial,14"
set output "ultra.png"
replot
set term win enhanced
replot